package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class JDBCDemo7 {
    public static void main(String[] args) {
        UserInfo userInfo = InputUtil.getInputObject(new UserInfo(), "欢迎登录", "登录");
        try (
                Connection connection = DBUtil.getConnection();
        ) {
            String sql = "SELECT id, username, password, nickname, age " +
                    "FROM userinfo " +
                    "WHERE username=? AND password=?";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1, userInfo.getUsername());
            ps.setString(2, userInfo.getPassword());
            ResultSet rs = ps.executeQuery();
            if (rs.next()) {
                System.out.println("登录成功！");
            } else {
                System.out.println("登录失败！");
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
